Work Energy and Power - Result Question 64
67. A metal ball of mass moving with a velocity of has a head on collision with a stationary ball of mass . If after the collision, the two balls move together, the loss in kinetic energy due to collision is [1997]
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 67. (c)
Solution:
- (c) Applying conservation of momentum,
Here,
K.E.
K.E.
Loss in K.E.